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In all the world, Aðalsteinn (Aðalsteinn ) is a very rare boy's first name. The first name Aðalsteinn is habitual in Northern Europe, particularly Iceland, where it is quite a rare masculine name.
Ísaga, Eymundsson, Ingólfsson, Ásgrímsson, Ólafsson, Óttarsson, Þorsteinsson, Sigurðsson, Aðalsteinsson, Kjartansson, Guðmundsson, Gottskálksson, Jóhannesson, Eggertsson, Friðjónsson, Sigurgeirsson, Ragnarsson, Gunnarsson, Þórðarson, Þórhallsson, Traustason, Hallbjörnsson, Jóhannsson, Guðjónsson, Snæþórsson, Bergdal, Pálsson, Leifsson, Jónsson, Helgason, Árnason, Ómarsson, Magnússon, Stefnisson, Scheving, Símonarson, Sævarsson, Sveinsson, Baldursson, Bjarnason, Karlsson, Rúnarsson, Guðlaugsson, Jörundsson, and Valdimarsson